There is quickly becoming a shortage of workers. There are two mechanisms to cover that gap: 1. Encourage families to have more children (this takes time) 2.

There is quickly becoming a shortage of workers. There are two mechanisms to cover that gap: 1. Encourage families to have more children (this takes time) 2. Increase the by country limits on immigration. This has varied over time (https://www.migrationpolicy.org/programs/data-hub/charts/Annual-Number-of-US-Legal-Permanent-Residents https://www.migrationpolicy.org/programs/data-hub/charts/Ann...)